Finding the Fourth Proportional to 1,352,981,217.06, 2,029,602,291.48 and 420,053,578.29
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Solution
The fourth proportional to 1,352,981,217.06, 2,029,602,291.48 and 420,053,578.29 is: 630,120,872.55
Step by Step Solution
- Step 1: Write the proportion equation
1,352,981,217.06 : 2,029,602,291.48 = 420,053,578.29 : x - Step 2: Convert to fraction form
1,352,981,217.06/2,029,602,291.48 = 420,053,578.29/x - Step 3: Cross multiply
1,352,981,217.06x = 2,029,602,291.48 × 420,053,578.29 - Step 4: Simplify right side
1,352,981,217.06x = 852,541,705,041,757,568 - Step 5: Solve for x
x = 852,541,705,041,757,568/1,352,981,217.06 - Step 6: Final answer
x = 630,120,872.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.